<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>二维码图片</title>
</head>
<body>
<img src="/code" />
<form action="/decode" method="post" enctype="multipart/form-data">
    <input type="file" name ="mf">
    <input type="submit" value="解析">
</form>
</body>
</html>